Skip to main content

Unleash the Potential of Your Powersports Vehicle with Millennium Technologies Big Bore Kits!

When it’s time to elevate your powersports vehicle’s performance, look no further than Millennium Technologies. Our M-Spec Performance big bore kits are meticulously designed to enhance the power and capabilities of your vehicle, regardless of the year, make, or model.

Customized Performance: With multiple configurations available, we cater to a wide range of powersports vehicles. Whether you’re seeking increased horsepower, torque, or overall performance improvements, our big bore kits are the answer.

Explore Your Options: Discover the perfect big bore kit package for your specific needs by exploring the options we offer. Tailored to your vehicle’s requirements, these kits are engineered to deliver outstanding results.

Effortless Ordering: Ordering your Millennium Technologies M-Spec Performance big bore kit is a breeze. Simply start your service order estimate form. After submitting your order estimate, our skilled technicians will connect with you to finalize the estimate before shipping.

Personalized Support: For direct assistance or any inquiries, our tech team is here to help. Contact them directly at (920) 893-5595.

Don’t miss out on the chance to unlock the full potential of your vehicle. Order your M-Spec Performance big bore kit today and experience a new level of performance!

Elevate Your Engine's Performance with M-Spec Performance service big bore kits

At Millennium Technologies, we’re dedicated to enhancing your engine’s capabilities, and our service big bore kits are the perfect solution. Whether you’re looking for standard bore kits or aiming for something more customized, we’ve got you covered.

Engineered Excellence: Our service big bore kits and standard bore kits are centered around your modified cylinder. When you choose Millennium Technologies, your cylinders make their way to our cutting-edge facility in Plymouth, WI, where they undergo a comprehensive suite of modifications. We then pair your modified components with high-performance pistons and gasket kits, ensuring a seamless fusion of power and precision.

Customization at Your Fingertips: M-Spec Performance believes in giving you the freedom to create a kit that suits your exact needs. We offer a range of custom services and combinations, so you can fine-tune your engine for the ultimate performance.

Precision Porting for 2-Stroke Kits: Our 2-stroke big bore kits are ported for precision. Please note that they may require modifications to your power valve and cylinder head. Some kits may even necessitate case modifications, which we include in the price when you send us your bare cases. Engines received fully assembled will require engine rebuilding services and associated parts.

Related Products & Services